10143012

Random Access Procedure in Wireless Device, Radio Base Station and Methods Therein

PublishedNovember 27, 2018
Assigneenot available in USPTO data we have
Technical Abstract

Patent Claims
5 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. A method in a wireless device for handling access to a radio base station in a wireless communication network, comprising initiating a lower-layer random access procedure, in the wireless communication network, while one or more timers associated with a Radio Resource Control (RRC) layer procedure are running; determining, at the RRC layer and subsequent to a first plurality of random access preamble transmission attempts, that a problem with the random access procedure has occurred based on receiving an indication of the problem from the lower layer; and responsive to determining that the problem occurred, aborting from the RRC layer the random access procedure immediately and declaring a radio link failure, at the RRC layer, without taking into account the one or more running timers associated with the RRC-layer procedure.

2

2. The method according to claim 1 , wherein the declaring the radio link failure is performed concurrent with or subsequent to the aborting.

3

3. A wireless device for handling access to a radio base station in a wireless communication network, the wireless device comprising: at least one processor; and at least one memory comprising program instructions that, when executed by the at least one processor, configure the wireless device to: initiate a lower-layer random access procedure, in the wireless communication network, while one or more timers associated with a Radio Resource Control (RRC) layer procedure are running; determine, at the RRC layer and subsequent to a first plurality of random access preamble transmission attempts, that a problem with the random access procedure has occurred based on receiving an indication of the problem from the lower layer; and responsive to the determination that the problem with the random access procedure has occurred, abort from the RRC layer the random access procedure immediately and declare a radio link failure, at the RRC layer, without taking into account the one or more running timers associated with the RRC-layer procedure.

4

4. The wireless device according to claim 3 , being configured by the executed instructions to declare the radio link failure concurrent with or subsequent to the aborting.

5

5. A non-transitory computer-readable medium storing a computer program comprising program instructions that, when executed by processing circuitry in a wireless device, configures the wireless device to handle access to a radio base station in a wireless communication network, said computer program comprising program instructions configuring the wireless device to: initiate a lower-layer random access procedure, in the wireless communication network, while one or more timers associated with a Radio Resource Control (RRC) layer procedure are running; determine, at the RRC layer and subsequent to a first plurality of random access preamble transmission attempts, that a problem with the random access procedure has occurred based on receiving an indication of the problem from the lower layer; and responsive to determining that the problem occurred, abort from the RRC layer the random access procedure immediately and declare a radio link failure, at the RRC layer, without taking into account the one or more running timers associated with the RRC-layer procedure.

Patent Metadata

Filing Date

Unknown

Publication Date

November 27, 2018

Inventors

Magnus Stattin
Gunnar Bergquist
Tao Cui
Mats Folke
Gunnar Mildh
Elena Myhre
Mikael Wittberg

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Cite as: Patentable. “Random Access Procedure in Wireless Device, Radio Base Station and Methods Therein” (10143012). https://patentable.app/patents/10143012

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